Activation energy and Binding energy

Activation energy noun - The energy that an atomic system must acquire before a process (such as an emission or reaction) can occur.

Binding energy and activation energy are semantically related In some cases you can replace phrase "Binding energy" with "Activation energy", this phrases are similar.

Binding energy noun - The energy required to separate particles from a molecule or atom or nucleus; equals the mass defect.

Activation energy and binding energy are semantically related in separation energy topic. You can use "Activation energy" instead a noun phrase "Binding energy".